Toshiba TLCS-900/H1 Series Manual page 96

P4 bit Symbol
(0010H)
Read/Write
System
Reset State
P4FC bit Symbol
(0013H)
Read/Write
System
Reset State
Function
P4DR bit Symbol
(0084H)
Read/Write
System
Reset State
Function
Note: A read-modify-write operation cannot be performed for P4FC.
7 6 5
P47 P46 P45
0 0 0
Port 4 Function register
7 6 5
P47F P46F P45F
1 1 1
Port 4 Drive register
7 6 5
P47D P46D P45D
1 1 1
Input/Output buffer drive register for standby mode
Figure 3.7.4 Register for Port1
Port 4 register
4 3
P44 P43
R/W
0 0
4 3
P44F P43F
W
1 1
0:Port 1:Address bus (A0 to A7)
4 3
P44D P43D
R/W
1 1
92CF30-94
TMP92CF30
2 1 0
P42 P41 P40
0 0 0
2 1 0
P42F P41F P40F
1 1 1
2 1 0
P42D P41D P40D
1 1 1
2009-06-12